Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones
Bi-color Untreated Gemstones
Black Untreated Gemstones
Blue Untreated Gemstones
Brown Untreated Gemstones
Golden Untreated Gemstones
Gray Untreated Gemstones
Green Untreated Gemstones
Multicolor Untreated Gemstones
Orange Untreated Gemstones
Pink Untreated Gemstones
Purple Untreated Gemstones
Red Untreated Gemstones
Turquoise Untreated Gemstones
Violet Untreated Gemstones
White Untreated Gemstones
Yellow Untreated Gemstones
Clear Colors
Single
Pairs
Lots
Faceted
Cabochons
Showing results for
Sort By:
Price - High to Low
Price - Low to High
Size - Largest to Smallest
Size - Smallest to Largest
Weight - High to Low
Weight - Low to High
Gemtypes in Category:
Actinolite Cat's Eye (54)
Agate (562)
Agate Geode (15)
Alexandrite (24)
Almandine Garnet (402)
Amazonite (273)
Amethyst (2923)
Amethyst Geode Slice (70)
Ametrine (146)
Andalusite (189)
Apatite (270)
Aquamarine (107)
Aragonite (26)
Aventurine (132)
Axinite (10)
Beryl (580)
Black Opal (6)
Bloodstone (206)
Boulder Opal (239)
Calcite (71)
Carnelian (23)
Cat's Eye Apatite (29)
Cat's Eye Aquamarine (15)
Cat's Eye Beryl (3)
Cat's Eye Moonstone (31)
Cat's Eye Opal (144)
Cat's Eye Scapolite (78)
Cavansite (36)
Chalcedony (214)
Charoite (119)
Chocolate Opal (76)
Chrome Diopside (110)
Chrysoberyl (92)
Chrysoberyl Cat's Eye (53)
Chrysocolla (50)
Chrysoprase (8)
Cinnabar (78)
Citrine (4436)
Clinohumite (30)
Color-Change Diaspore (850)
Color-Change Fluorite (52)
Color-Change Garnet (193)
Coral (266)
Demantoid Garnet (230)
Dendritic Agate (198)
Diamond (601)
Druzy Amethyst (3)
Druzy Azurite (13)
Druzy Citrine (45)
Druzy Variscite (130)
Emerald (1)
Enstatite (3)
Feather Pyrite (43)
Fire Agate (320)
Fire Opal (127)
Fluorite (170)
Fossil Coral (323)
Golden Beryl (148)
Grandidierite (172)
Grossularite Garnet (33)
Hematite (356)
Hemimorphite Druzy (46)
Hessonite Garnet (2154)
Hiddenite (10)
Howlite (133)
Idocrase (21)
Imperial Topaz (12)
Iolite (164)
Jade (68)
Jadeite (275)
Jasper (1335)
Kornerupine (213)
Kunzite (388)
Kyanite (738)
Labradorite (1198)
Lapis Lazuli (2)
Larimar (120)
Lazulite (10)
Lepidolite (27)
Malachite (185)
Malaya Garnet (105)
Mali Garnet (6)
Matrix Opal (16)
Maw-Sit-Sit (120)
Moldavite (7)
Moonstone (955)
Morganite (977)
Moss Agate (58)
Mother of Pearl (11)
Nuummite (115)
Obsidian (207)
Opal (893)
Peanut Wood (11)
Peridot (1430)
Pietersite (625)
Prehnite (792)
Psilomelane Dendrite (23)
Pyrite (11)
Pyrope Garnet (1686)
Quartz (65)
Quartz Cat's Eye (69)
Quartz With Hedenbergite (7)
Quartz With Marcasite (184)
Rainbow Moonstone (920)
Rainbow Pyrite (248)
Rhodochrosite (135)
Rhodolite Garnet (481)
Rhodonite (30)
Rose Quartz (678)
Rubellite Tourmaline (9)
Ruby (4)
Ruby in Fuchsite (90)
Ruby-Zoisite (212)
Rutile Quartz (500)
Sapphire (59)
Scolecite (29)
Seraphinite (43)
Serpentine (72)
Sillimanite (67)
Sillimanite Cat's Eye (379)
Smithsonite (1)
Smoky Quartz (937)
Snowflake Obsidian (23)
Sodalite (21)
Spectrolite (121)
Spessartite Garnet (454)
Sphalerite (348)
Sphene (578)
Spinel (955)
Star Diopside (175)
Star Garnet (115)
Star Moonstone (75)
Star Rose Quartz (22)
Star Ruby (1)
Star Sapphire (15)
Strawberry Quartz (1082)
Sunstone (525)
Tiger's Eye (775)
Tiger's Eye Matrix (277)
Topaz (470)
Tourmaline (2664)
Tsavorite Garnet (184)
Turquoise (92)
Uvarovite Garnet Drusy (68)
Variscite (5)
Zircon (779)
Clear All
ID:
623578
Weight:
1.14ct (total)
Size:
6 x 4 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
5.11
Item in Stock
More Options & Item Details
ID:
499532
Weight:
8.49ct
Size:
14 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
64.44
Item in Stock
More Options & Item Details
ID:
570231
Weight:
2.89ct
Size:
8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
21.29
Item in Stock
More Options & Item Details
ID:
645796
Weight:
17.64ct
Size:
20 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
9.95
Item in Stock
More Options & Item Details
ID:
428474
Weight:
3.54ct (total)
Size:
8 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
9.35
Item in Stock
More Options & Item Details
ID:
528256
Weight:
3.66ct
Size:
9 x 9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
5.32
Item in Stock
More Options & Item Details
ID:
498319
Weight:
1.34ct
Size:
10 x 5.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
14.15
Item in Stock
More Options & Item Details
ID:
673711
Weight:
5.11ct
Size:
14 x 10 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
153.30
Item in Stock
More Options & Item Details
ID:
494699
Weight:
11.82ct
Size:
22.2 x 12.9 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
44.16
Item in Stock
More Options & Item Details
ID:
643036
Weight:
4.92ct (total)
Size:
10 x 8 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
45.17
Item in Stock
More Options & Item Details
ID:
454099
Weight:
1.22ct
Size:
10.8 x 4.5 mm
Clarity:
VS
Content:
1 pc
Price:
$
51.53
Item in Stock
More Options & Item Details
ID:
673522
Weight:
0.92ct
Size:
8 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
22.08
Item in Stock
More Options & Item Details
ID:
544608
Weight:
0.78ct
Size:
6.4 x 4.2 mm
Clarity:
VS
Content:
1 pc
Price:
$
34.90
Item in Stock
More Options & Item Details
ID:
610321
Weight:
5.63ct
Size:
22 x 8.9 mm
Clarity:
Transparent
Price:
$
7.43
Item in Stock
More Options & Item Details
ID:
635657
Weight:
1.39ct
Size:
8 x 8 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
40.03
Item in Stock
More Options & Item Details
ID:
461786
Weight:
1.92ct
Size:
10 x 8 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
89.62
Item in Stock
More Options & Item Details
ID:
722815
Weight:
0.56ct
Size:
5 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
16.80
Item in Stock
More Options & Item Details
ID:
350846
Weight:
1.92ct
Size:
18.7 x 3.6 mm
Clarity:
VS-SI
Content:
1 pc
Price:
$
55.75
Item in Stock
More Options & Item Details
ID:
660181
Weight:
1.91ct
Size:
8 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
16.04
Item in Stock
More Options & Item Details
ID:
724137
Weight:
7.19ct
Size:
11.2 x 8.2 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
8.54
Item in Stock
More Options & Item Details
ID:
688692
Weight:
2.09ct
Size:
10 x 8 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
11.51
Item in Stock
More Options & Item Details
ID:
425992
Weight:
3.49ct
Size:
8.5 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
27.64
Item in Stock
More Options & Item Details
ID:
348564
Weight:
2.36ct
Size:
20.9 x 3.7 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
77.88
Item in Stock
More Options & Item Details
ID:
454720
Weight:
9.71ct
Size:
19.6 x 13.3 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
16.27
Item in Stock
More Options & Item Details
ID:
529084
Weight:
1.54ct
Size:
7 x 5.6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
121.97
Item in Stock
More Options & Item Details
ID:
474917
Weight:
4.37ct
Size:
11 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
40.38
Item in Stock
More Options & Item Details
ID:
736705
Weight:
1.53ct
Size:
9.4 x 8.9 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
10.71
Item in Stock
More Options & Item Details
ID:
515598
Weight:
2.24ct
Size:
9 x 9 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
20.70
Item in Stock
More Options & Item Details
ID:
693228
Weight:
19.16ct
Size:
18.1 x 14.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
160.94
Item in Stock
More Options & Item Details
ID:
713648
Weight:
19.32ct
Size:
20 x 15 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
162.29
Item in Stock
More Options & Item Details
ID:
551196
Weight:
1.06ct
Size:
7 x 7 mm (calibrated)
Clarity:
VS
Price:
$
7.97
Item in Stock
More Options & Item Details
ID:
617618
Weight:
30.69ct
Size:
25 x 18 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
43.82
Item in Stock
More Options & Item Details
ID:
394774
Weight:
3.96ct
Size:
10 x 10 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
26.14
Item in Stock
More Options & Item Details
ID:
590925
Weight:
1.03ct
Size:
6 x 6 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
20.82
Item in Stock
More Options & Item Details
ID:
713721
Weight:
0.70ct
Size:
7 x 5 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
11.76
Item in Stock
More Options & Item Details
ID:
734812
Weight:
5.42ct
Size:
11 x 9 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
32.52
Item in Stock
More Options & Item Details
ID:
705605
Weight:
0.67ct
Size:
5.1 x 4.3 mm
Clarity:
VS
Content:
1 pc
Price:
$
27.34
Item in Stock
More Options & Item Details
ID:
732798
Weight:
1.23ct
Size:
8 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
47.23
Item in Stock
More Options & Item Details
ID:
728144
Weight:
1.17ct
Size:
6.3 x 5.8 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
7.02
Item in Stock
More Options & Item Details
ID:
572276
Weight:
2.91ct
Size:
10 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
26.89
Item in Stock
More Options & Item Details
ID:
692416
Weight:
39.68ct
Size:
33.4 x 23.3 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
23.81
Item in Stock
More Options & Item Details
ID:
458783
Weight:
4.20ct
Size:
15 x 10 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
38.81
Item in Stock
More Options & Item Details
ID:
631668
Weight:
17.16ct
Size:
21.6 x 17.1 mm
Clarity:
Opaque
Content:
1 pc
Price:
$
78.05
Item in Stock
More Options & Item Details
ID:
675432
Weight:
1.60ct
Size:
7.5 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
4.55
Item in Stock
More Options & Item Details
ID:
398276
Weight:
3.12ct
Size:
11 x 9 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
123.55
Item in Stock
More Options & Item Details
ID:
473498
Weight:
0.87ct
Size:
10.6 x 4.9 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
63.17
Item in Stock
More Options & Item Details
ID:
618053
Weight:
23.17ct (total)
Size:
20 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
61.16
Item in Stock
More Options & Item Details
ID:
716132
Weight:
3.68ct (total)
Size:
8 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
35.33
Item in Stock
More Options & Item Details
ID:
567440
Weight:
0.18ct (total)
Size:
2.8 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
352.45
Item in Stock
More Options & Item Details
ID:
650633
Weight:
3.53ct
Size:
11 x 9 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
29.65
Item in Stock
More Options & Item Details
ID:
382945
Weight:
11.71ct
Size:
16.6 x 14 mm
Clarity:
Translucent
Content:
1 pc
Price:
$
46.37
Item in Stock
More Options & Item Details
ID:
694496
Weight:
13.09ct
Size:
15 x 15 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
109.96
Item in Stock
More Options & Item Details
ID:
708015
Weight:
4.87ct
Size:
15 x 10 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
4.68
Item in Stock
More Options & Item Details
ID:
707895
Weight:
3.13ct
Size:
9 x 7 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
5.18
Item in Stock
More Options & Item Details
ID:
479849
Weight:
4.03ct
Size:
11 x 9 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
37.24
Item in Stock
More Options & Item Details
ID:
640473
Weight:
0.29ct
Size:
5 x 3 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
13.92
Item in Stock
More Options & Item Details
ID:
674848
Weight:
2.77ct
Size:
10 x 10 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
23.27
Item in Stock
More Options & Item Details
ID:
719432
Weight:
0.76ct
Size:
7 x 5 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
6.38
Item in Stock
More Options & Item Details
ID:
436551
Weight:
2.61ct
Size:
10.8 x 7.1 mm
Clarity:
Transparent
Content:
1 pc
Price:
$
8.47
Item in Stock
More Options & Item Details
ID:
435941
Weight:
2.72ct
Size:
10 x 8 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
17.95
Item in Stock
More Options & Item Details
FAQs
What are loose untreated gemstones?
Loose untreated gemstones are natural stones that have not undergone any artificial treatments or enhancements. Examples include unheated sapphires, untreated rubies, and unenhanced diamonds, which maintain their natural beauty and originality.
Why should I choose untreated gemstones over treated ones?
Untreated gemstones, such as unheated topaz and virgin untreated stones, are valued for their authenticity and rarity. These certified untreated gems are perfect for collectors and those seeking ethically sourced, natural stones for unique jewelry designs.
Are untreated gemstones suitable for engagement rings?
Yes, untreated gemstones like GIA-certified natural gems, unenhanced diamonds, and untreated rubies are excellent choices for engagement rings. They offer timeless elegance and are ideal for creating one-of-a-kind designs that reflect personal style.
What makes rare untreated gems valuable for collectors?
Rare untreated gems for collectors, such as authentic untreated crystals and unheated and untreated stones, are prized for their natural appearance and limited availability. Their untouched state makes them highly desirable and a great investment.
How can I ensure the quality of loose untreated gemstones?
Always choose certified untreated gems, like GIA-certified natural gems, to guarantee authenticity and quality. These stones undergo thorough evaluation to ensure they meet the highest standards, making them ideal for both personal collections and jewelry projects.
What types of untreated gemstones are available?
Our collection includes a variety of untreated gemstones such as unheated sapphires, untreated rubies, unenhanced diamonds, and unheated topaz. Each stone is carefully selected to offer unmatched quality and natural beauty.
Are untreated gemstones more expensive than treated ones?
In many cases, untreated gemstones, like precious untreated gemstones and virgin untreated stones, can be more valuable due to their rarity and natural state. Their unique characteristics make them highly sought after by collectors and jewelry enthusiasts.
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 10
Took a chance on purchasing my gemstones from Gemselect and was impressed. 10/10
Posted By KT in September, 2025
Source: Bizrate
Overall Rating -> 9
Been using them for years! Very satisfied with the products.
Posted By PI SC in May, 2025
Source: Bizrate
Overall Rating -> 10
So far So good
Posted By VH-1 in July, 2025
Source: Bizrate
Overall Rating -> 9
It is a good experience, it is easy to view the item, and easy to check out.
Posted By Neo in November, 2024
Source: Bizrate
Overall Rating -> 10
excellent deals-excellent service-fair prices
Posted By JD in April, 2025
Source: Bizrate
Overall Rating -> 10
Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!
Posted By Britnee Rose in September, 2025
Source: Bizrate
Overall Rating -> 10
Easy to conduct search, good amount of stock to select from along with variety of prices.
Posted By Que in June, 2025
Source: Bizrate
Overall Rating -> 10
Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.
Posted By Happy Customer in June, 2025
Source: Bizrate
Overall Rating -> 10
selection was broad and the check out was quick. Great site
Posted By JC Karl in September, 2025
Source: Bizrate